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CVE-2026-46181
high
CVSS 7.8
Vulnerability in linux (CVE-2026-46181)
Summary
vulnerability in linux (CVE-2026-46181). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46181** has been found in linux.
Successful exploitation can lead to full system takeover. CVSS score: 7.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2026-46181" on the vendor's site.
CVE-2026-46181 (linux) — CWE-366 / CVSS v3 7.8
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-366) exists in linux.
📍 Affected scope
linux — .
🔥 Severity
Severity: High (CVSS 7.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'linux' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'linux' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `linux` を grep し、稼働しているサービス・バージョンを把握する。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- web https://git.kernel.org/stable/c/1e2a44875b6afb4add1115f7f3351dcbeb6f273d
- web https://git.kernel.org/stable/c/8b7833f3bce35cb0d01c1503781523c099c675f0
- web https://git.kernel.org/stable/c/c9341307ea16b9395c2e4c9c94d8499d91fe31d0
- web https://nvd.nist.gov/vuln/detail/CVE-2026-46181
- web https://github.com/advisories/GHSA-pw2f-xmgc-f22m
- web https://access.redhat.com/errata/RHSA-2026:25120
- web https://access.redhat.com/errata/RHSA-2026:25121
- web https://access.redhat.com/errata/RHSA-2026:25217
- web https://access.redhat.com/security/cve/CVE-2026-46181
- web https://bugzilla.redhat.com/show_bug.cgi?id=2482532
- web https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46181.json
- web https://access.redhat.com/errata/RHSA-2026:33900
- web https://access.redhat.com/errata/RHSA-2026:34094
- web https://access.redhat.com/errata/RHSA-2026:34095
- web https://access.redhat.com/errata/RHSA-2026:34443
- web https://access.redhat.com/errata/RHSA-2026:35863
- web https://access.redhat.com/errata/RHSA-2026:35896
- web https://access.redhat.com/errata/RHSA-2026:35894
- web https://access.redhat.com/errata/RHSA-2026:36216